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\begin{tabular}{@{\extracolsep{5pt}}lcccccccccccccccccccc} 
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 & \multicolumn{20}{c}{\textit{Dependent variable:}} \\ 
\cline{2-21} 
\\[-1.8ex] & \multicolumn{20}{c}{AAUW} \\ 
 & 97 & 98 & 99 & 100 & 101 & 102 & 103 & 104 & 105 & 106 & 107 & 108 & 109 & 110 & 111 & 112 & 113 & 114 & 115 & 116 \\ 
\\[-1.8ex] & (1) & (2) & (3) & (4) & (5) & (6) & (7) & (8) & (9) & (10) & (11) & (12) & (13) & (14) & (15) & (16) & (17) & (18) & (19) & (20)\\ 
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 N. Daughters & $-$0.006 & $-$0.004 & $-$0.022 & 0.002 & 0.002 & 0.010 & 0.021 & 0.033 & 0.077$^{***}$ & 0.040$^{*}$ & 0.068$^{***}$ & 0.046$^{**}$ & 0.019 & 0.046$^{**}$ & 0.002 & 0.041 & 0.030 & 0.006 & $-$0.004 & $-$0.010 \\ 
  & (0.018) & (0.020) & (0.022) & (0.026) & (0.023) & (0.027) & (0.025) & (0.027) & (0.025) & (0.024) & (0.026) & (0.021) & (0.019) & (0.021) & (0.025) & (0.026) & (0.021) & (0.020) & (0.029) & (0.026) \\ 
  & & & & & & & & & & & & & & & & & & & & \\ 
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Observations & 362 & 366 & 361 & 361 & 364 & 368 & 377 & 386 & 397 & 393 & 392 & 392 & 390 & 400 & 392 & 400 & 401 & 396 & 395 & 377 \\ 
Adjusted R$^{2}$ & 0.012 & 0.029 & 0.012 & 0.008 & 0.012 & 0.015 & 0.102 & 0.055 & 0.094 & 0.090 & 0.112 & 0.055 & 0.054 & 0.066 & 0.048 & 0.054 & 0.075 & 0.103 & 0.113 & 0.178 \\ 
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\textit{Note:}  & \multicolumn{20}{r}{$^{*}$p$<$0.1; $^{**}$p$<$0.05; $^{***}$p$<$0.01} \\ 
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Estimated Average Treatment Effect Among All MCs \\ 
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